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Eric Anholt at Broadcom continues working on the VC5 driver stack that should yield next-generation graphics for future Broadcom SoCs, some of which will hopefully make it into future Raspberry Pi revisions.

Adam Jackson of Red Hat has sent out the patches implementing support in Mesa/Gallium3D for two of the extensions mandated by OpenGL 4.6 that are currently not exposed by this open-source driver stack.

Gurkirpal Singh is the student developer working this summer on porting Gallium3D's OpenMAX state tracker to Tizonia from the outdated Bellagio base. As the summer quickly comes to an end, he's been making progress on getting things in order.

Last week AMD developers landed experimental NIR support inside RadeonSI as ultimately a step towards ARB_gl_spirv support for this OpenGL Gallium3D driver in being able to re-use the NIR/RADV code-paths. I decided to take the experimental NIR support through a spin to see if it impacted various titles at this point.

For those wondering what Valve Linux developer Timothy Arceri has been working on with KHR_no_error settling down and the like, he still is striving towards faster GLSL compilation times to in turn speed up Linux game loading performance.

The Etnaviv open-source driver stack that provides reverse-engineered graphics driver support for Vivante graphics cores is working now not only on conventional Linux distributions but also Android environments.

The Valve-led work on implementing EXT_external_objects support inside Mesa should soon be landing. This is good news as it's one of the last remaining bits for seeing mainline RadeonSI/RADV working out well for SteamVR on Linux.

VC5 is the new DRM/Gallium3D driver for an upcoming Broadcom GPU and the successor to the VC4 as is mostly known for being the graphics found on current Raspberry Pi models. Broadcom developer Eric Anholt has been making progress on the driver and that hasn't let up.

Mesa Git is usually relatively sane for Linux gamers wanting the bleeding-edge open-source driver experience for best OpenGL/Vulkan features and performance, but at the moment it's a bit of a headache with what in effect are two blocker bugs for Mesa 17.2.

Community developer and Phoronix reader Aaron Watry has continued providing some much needed attention to Clover, the Gallium3D state tracker implementing OpenCL, notably for R600g/RadeonSI hardware not receiving ROCm OpenCL support.

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